Hedge Fund and Insider Trading News: David Einhorn, Marshall Wace LLP, Ra Pharmaceuticals Inc (RARX), PLx Pharma Inc (PLXP), Opko Health Inc. (OPK), and More

Einhorn’s Greenlight Extends Decline to 34% in Worst Year (Bloomberg) David Einhorn closed out 2018 with his biggest annual loss ever for the 22......(read more)